Goethite-replacing-Pyrite with Adularia, Andradite
specimen number:
3331164
location:
Copper Mountain, Prince of Wales Island, Alaska, USA
description: Sharp cubic crystals of what were once pyrite to 1.5 cm on edge been replaced by goethite and scattered throughout this adularia crystal matrix with quartz and andradite. Very neat cabinet sized combination piece from this famous locality.
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Related by Mineral (Goethite):
Goethite — Egypt
Origin: White Desert, Farafra Oasis, New Valley Governorate, Egypt
Number: (2063731)
Size: 6.0 x 6.0 x 3.0 cm (small-cabinet)
Goethite — Canada
Origin: George W. MacLeod mine, McMurray, Algoma, Ontario, Canada
Number: (9302412)
Size: 11.0 x 7.0 x 3.5 cm (cabinet)
Goethite — Colorado
Origin: Lake George, Colorado, USA
Number: (2063746)
Size: 5.5 x 5.0 x 1.3 cm (miniature)

